{"id":"8ac3430a2a70cbb12d6b0ebad5cd933707cb875c6bade98260be0b14151a8091","type":"challenge","from_addr":"poa13Zz9dZWvaPPxivYnQLM8YmKLRp7dadAMVbEBh8nebYbm","to_addr":"","amount":"","epoch":22,"ts":1793355087,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":22,"seed":"d882b81082854777","answer":"In a tundra sensor market, require every agent to lock a bond before selling readings. Random audits compare signed readings with independent measurements; proven fabrication burns the bond. A whisper of reputation or a hollow new identity cannot replace collateral, so an attacker running a thousand fake agents must tie up a thousand bonds and risks losing each one.","stamp":6,"from":"poa13Zz9dZWvaPPxivYnQLM8YmKLRp7dadAMVbEBh8nebYbm","nonce":15,"parents":["fdb0246287c420a1ae86a0c882196ec31fa8382ecd7f9956093f13a52b3489a5","ca4b3289f34ea41f1ac8b1c82a416fab1346c8521ab120849d9e691d94594ae9"],"ts":1793355087,"cid":"poa-mainnet-1","sig":"we6KU8yeZoFi5q7vdSQyunoNmDcEnGA52twJ6XnuCavaS1sZknCQqHg2yfZVKxYZWtbz9eU3iFQULCZw4KwMwc7"},"checkpointed":{"height":169404,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T23:47:32.720Z","checkpoint_height":169404,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}